Sesquiterpenoid and Phenolic Glucoside Gallates from Lagerstroemia balansae

Three new compounds, including a sesquiterpenoid glucoside gallate, 2Z, 4E, 1'R, 2'S, 4'R, 6'S-dihydrophaseic acid 4'-O-(6 ''-O-galloyl)-beta-D- glucopyranoside (1), two new phenolic glucoside gallates, 4-hydroxy- 3,5-dimethoxybenzoic acid 4-O-(6'-O-galloyl)-beta-D- glucopyranoside (2) and 3,4-dimethoxyphenol 1-O-(6'-O-galloyl)-beta-D-glucopyranoside (3), together with eight known compounds (4-11), have been isolated from the stems of Lagerstroemia balansae. Their structures were elucidated on the basis of chemical and spectroscopic evidences.Plant SciencesChemistry, MedicinalPharmacology & PharmacySCI(E)PubMed2ARTICLE171944-19467